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Related Experiment Video

Updated: Jan 13, 2026

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

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Published on: November 11, 2013

From Failure to Design: Modulating Phase Transitions and Oxygen Release in Ni-Rich Cathodes.

Yunshan Zheng¹, Yijing Liu¹, Nengzhan Zheng¹

¹Guangdong Provincial Key Laboratory of Thermal Management Engineering & Materials, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China.

Advanced Materials (Deerfield Beach, Fla.)

|January 12, 2026

Summary

This review shifts focus from suppressing structural instability in nickel-rich layered oxide cathodes for lithium-ion batteries to controlling it. Controlled features like spinel domains and oxygen vacancies enhance performance and stability.

Keywords:

Ni‐rich cathodes advanced regulation strategies oxygen vacancies spinel phase transition structure‐property relationships

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Last Updated: Jan 13, 2026

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Area of Science:

Materials Science
Electrochemistry
Battery Technology

Background:

Nickel-rich layered oxides (LiNi$_{x}$Co$_{y}$Mn$_{z}$O$_{2}$) are key for high-energy-density lithium-ion batteries (LIBs).
Structural instability, phase transitions, and oxygen vacancies (OVs) traditionally hinder their commercialization due to capacity fading and voltage decay.
Current strategies focus on suppressing these detrimental features.

Purpose of the Study:

To present a paradigm shift in understanding and utilizing structural features in Ni-rich cathodes.
To explore the dual roles of localized spinel domains and oxygen vacancies in enhancing battery performance.
To summarize advanced strategies for precise manipulation of phase transitions and defect chemistry.

Main Methods:

Review of conventional and advanced strategies for cathode material stabilization.
Analysis of the roles of localized spinel domains and oxygen vacancies.
Emphasis on advanced characterization (in situ/operando), computational modeling, and machine learning.

Main Results:

Localized spinel domains improve Li$^{+}$ diffusion and buffer stress.
Regulated oxygen vacancies enhance electrochemical kinetics and structural robustness.
Advanced strategies enable precise control over phase transitions and defect chemistry.

Conclusions:

Controlled utilization of structural features, rather than suppression, offers a new pathway for stabilizing Ni-rich cathodes.
Integrating advanced characterization, modeling, and machine learning is crucial for rational cathode design.
This approach addresses trade-offs between energy density, cycle life, and safety in next-generation LIBs.